Home / 125,069.58-172,605.90-71,342.28

Finding the Fourth Proportional to 125,069.58, 172,605.90 and 71,342.28

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Solution

The fourth proportional to 125,069.58, 172,605.90 and 71,342.28 is: 98,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,069.58 : 172,605.90 = 71,342.28 : x
  2. Step 2: Convert to fraction form
    125,069.58/172,605.90 = 71,342.28/x
  3. Step 3: Cross multiply
    125,069.58x = 172,605.90 × 71,342.28
  4. Step 4: Simplify right side
    125,069.58x = 12,314,098,447.45
  5. Step 5: Solve for x
    x = 12,314,098,447.45/125,069.58
  6. Step 6: Final answer
    x = 98,457.98

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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.