Home / 131,700.49-181,746.68-71,271.14

Finding the Fourth Proportional to 131,700.49, 181,746.68 and 71,271.14

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Solution

The fourth proportional to 131,700.49, 181,746.68 and 71,271.14 is: 98,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,700.49 : 181,746.68 = 71,271.14 : x
  2. Step 2: Convert to fraction form
    131,700.49/181,746.68 = 71,271.14/x
  3. Step 3: Cross multiply
    131,700.49x = 181,746.68 × 71,271.14
  4. Step 4: Simplify right side
    131,700.49x = 12,953,293,074.82
  5. Step 5: Solve for x
    x = 12,953,293,074.82/131,700.49
  6. Step 6: Final answer
    x = 98,354.18

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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.