Home / 125,298.45-172,901.16-70,847.95

Finding the Fourth Proportional to 125,298.45, 172,901.16 and 70,847.95

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Solution

The fourth proportional to 125,298.45, 172,901.16 and 70,847.95 is: 97,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,298.45 : 172,901.16 = 70,847.95 : x
  2. Step 2: Convert to fraction form
    125,298.45/172,901.16 = 70,847.95/x
  3. Step 3: Cross multiply
    125,298.45x = 172,901.16 × 70,847.95
  4. Step 4: Simplify right side
    125,298.45x = 12,249,691,519.88
  5. Step 5: Solve for x
    x = 12,249,691,519.88/125,298.45
  6. Step 6: Final answer
    x = 97,764.11

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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.