Home / 178,275.12-246,000.40-101,787

Finding the Fourth Proportional to 178,275.12, 246,000.40 and 101,787

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Solution

The fourth proportional to 178,275.12, 246,000.40 and 101,787 is: 140,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,275.12 : 246,000.40 = 101,787 : x
  2. Step 2: Convert to fraction form
    178,275.12/246,000.40 = 101,787/x
  3. Step 3: Cross multiply
    178,275.12x = 246,000.40 × 101,787
  4. Step 4: Simplify right side
    178,275.12x = 25,039,642,714.80
  5. Step 5: Solve for x
    x = 25,039,642,714.80/178,275.12
  6. Step 6: Final answer
    x = 140,455.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.