Home / 154,312.37-231,445.14-42,001.32

Finding the Fourth Proportional to 154,312.37, 231,445.14 and 42,001.32

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Solution

The fourth proportional to 154,312.37, 231,445.14 and 42,001.32 is: 62,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,312.37 : 231,445.14 = 42,001.32 : x
  2. Step 2: Convert to fraction form
    154,312.37/231,445.14 = 42,001.32/x
  3. Step 3: Cross multiply
    154,312.37x = 231,445.14 × 42,001.32
  4. Step 4: Simplify right side
    154,312.37x = 9,721,001,387.58
  5. Step 5: Solve for x
    x = 9,721,001,387.58/154,312.37
  6. Step 6: Final answer
    x = 62,995.61

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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.