Home / 142,010.02-213,007.74-42,171.04

Finding the Fourth Proportional to 142,010.02, 213,007.74 and 42,171.04

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Solution

The fourth proportional to 142,010.02, 213,007.74 and 42,171.04 is: 63,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,010.02 : 213,007.74 = 42,171.04 : x
  2. Step 2: Convert to fraction form
    142,010.02/213,007.74 = 42,171.04/x
  3. Step 3: Cross multiply
    142,010.02x = 213,007.74 × 42,171.04
  4. Step 4: Simplify right side
    142,010.02x = 8,982,758,031.97
  5. Step 5: Solve for x
    x = 8,982,758,031.97/142,010.02
  6. Step 6: Final answer
    x = 63,254.40

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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.