Home / 125,210.30-172,850.04-71,484.93

Finding the Fourth Proportional to 125,210.30, 172,850.04 and 71,484.93

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Solution

The fourth proportional to 125,210.30, 172,850.04 and 71,484.93 is: 98,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,210.30 : 172,850.04 = 71,484.93 : x
  2. Step 2: Convert to fraction form
    125,210.30/172,850.04 = 71,484.93/x
  3. Step 3: Cross multiply
    125,210.30x = 172,850.04 × 71,484.93
  4. Step 4: Simplify right side
    125,210.30x = 12,356,173,009.90
  5. Step 5: Solve for x
    x = 12,356,173,009.90/125,210.30
  6. Step 6: Final answer
    x = 98,683.36

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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.