Home / 134,987.60-202,319.40-56,061.20

Finding the Fourth Proportional to 134,987.60, 202,319.40 and 56,061.20

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Solution

The fourth proportional to 134,987.60, 202,319.40 and 56,061.20 is: 84,024.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,987.60 : 202,319.40 = 56,061.20 : x
  2. Step 2: Convert to fraction form
    134,987.60/202,319.40 = 56,061.20/x
  3. Step 3: Cross multiply
    134,987.60x = 202,319.40 × 56,061.20
  4. Step 4: Simplify right side
    134,987.60x = 11,342,268,347.28
  5. Step 5: Solve for x
    x = 11,342,268,347.28/134,987.60
  6. Step 6: Final answer
    x = 84,024.52

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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.