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Finding the Fourth Proportional to 145,637.07, 218,540.51 and 61,392.07

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Solution

The fourth proportional to 145,637.07, 218,540.51 and 61,392.07 is: 92,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,637.07 : 218,540.51 = 61,392.07 : x
  2. Step 2: Convert to fraction form
    145,637.07/218,540.51 = 61,392.07/x
  3. Step 3: Cross multiply
    145,637.07x = 218,540.51 × 61,392.07
  4. Step 4: Simplify right side
    145,637.07x = 13,416,654,287.76
  5. Step 5: Solve for x
    x = 13,416,654,287.76/145,637.07
  6. Step 6: Final answer
    x = 92,123.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.