Home / 124,770.69-172,214.15-71,087.36

Finding the Fourth Proportional to 124,770.69, 172,214.15 and 71,087.36

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Solution

The fourth proportional to 124,770.69, 172,214.15 and 71,087.36 is: 98,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770.69 : 172,214.15 = 71,087.36 : x
  2. Step 2: Convert to fraction form
    124,770.69/172,214.15 = 71,087.36/x
  3. Step 3: Cross multiply
    124,770.69x = 172,214.15 × 71,087.36
  4. Step 4: Simplify right side
    124,770.69x = 12,242,249,278.14
  5. Step 5: Solve for x
    x = 12,242,249,278.14/124,770.69
  6. Step 6: Final answer
    x = 98,117.99

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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.