Home / 124,800.16-172,300.53-81,234.22

Finding the Fourth Proportional to 124,800.16, 172,300.53 and 81,234.22

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Solution

The fourth proportional to 124,800.16, 172,300.53 and 81,234.22 is: 112,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,800.16 : 172,300.53 = 81,234.22 : x
  2. Step 2: Convert to fraction form
    124,800.16/172,300.53 = 81,234.22/x
  3. Step 3: Cross multiply
    124,800.16x = 172,300.53 × 81,234.22
  4. Step 4: Simplify right side
    124,800.16x = 13,996,699,160.14
  5. Step 5: Solve for x
    x = 13,996,699,160.14/124,800.16
  6. Step 6: Final answer
    x = 112,152.89

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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.