Home / 142,154.73-213,232.10-42,316.36

Finding the Fourth Proportional to 142,154.73, 213,232.10 and 42,316.36

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Solution

The fourth proportional to 142,154.73, 213,232.10 and 42,316.36 is: 63,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,154.73 : 213,232.10 = 42,316.36 : x
  2. Step 2: Convert to fraction form
    142,154.73/213,232.10 = 42,316.36/x
  3. Step 3: Cross multiply
    142,154.73x = 213,232.10 × 42,316.36
  4. Step 4: Simplify right side
    142,154.73x = 9,023,205,562.49
  5. Step 5: Solve for x
    x = 9,023,205,562.49/142,154.73
  6. Step 6: Final answer
    x = 63,474.54

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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.