Home / 145,632.30-218,448.45-124,637.10

Finding the Fourth Proportional to 145,632.30, 218,448.45 and 124,637.10

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Solution

The fourth proportional to 145,632.30, 218,448.45 and 124,637.10 is: 186,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,632.30 : 218,448.45 = 124,637.10 : x
  2. Step 2: Convert to fraction form
    145,632.30/218,448.45 = 124,637.10/x
  3. Step 3: Cross multiply
    145,632.30x = 218,448.45 × 124,637.10
  4. Step 4: Simplify right side
    145,632.30x = 27,226,781,307.50
  5. Step 5: Solve for x
    x = 27,226,781,307.50/145,632.30
  6. Step 6: Final answer
    x = 186,955.65

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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.