Home / 195,637.60-292,534.80-145,871.20

Finding the Fourth Proportional to 195,637.60, 292,534.80 and 145,871.20

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Solution

The fourth proportional to 195,637.60, 292,534.80 and 145,871.20 is: 218,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,637.60 : 292,534.80 = 145,871.20 : x
  2. Step 2: Convert to fraction form
    195,637.60/292,534.80 = 145,871.20/x
  3. Step 3: Cross multiply
    195,637.60x = 292,534.80 × 145,871.20
  4. Step 4: Simplify right side
    195,637.60x = 42,672,402,317.76
  5. Step 5: Solve for x
    x = 42,672,402,317.76/195,637.60
  6. Step 6: Final answer
    x = 218,119.64

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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.