Home / 142,687.36-214,032.83-42,841.74

Finding the Fourth Proportional to 142,687.36, 214,032.83 and 42,841.74

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Solution

The fourth proportional to 142,687.36, 214,032.83 and 42,841.74 is: 64,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,687.36 : 214,032.83 = 42,841.74 : x
  2. Step 2: Convert to fraction form
    142,687.36/214,032.83 = 42,841.74/x
  3. Step 3: Cross multiply
    142,687.36x = 214,032.83 × 42,841.74
  4. Step 4: Simplify right side
    142,687.36x = 9,169,538,854.32
  5. Step 5: Solve for x
    x = 9,169,538,854.32/142,687.36
  6. Step 6: Final answer
    x = 64,263.15

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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.