Home / 125,389.05-173,036.89-71,675.22

Finding the Fourth Proportional to 125,389.05, 173,036.89 and 71,675.22

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Solution

The fourth proportional to 125,389.05, 173,036.89 and 71,675.22 is: 98,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,389.05 : 173,036.89 = 71,675.22 : x
  2. Step 2: Convert to fraction form
    125,389.05/173,036.89 = 71,675.22/x
  3. Step 3: Cross multiply
    125,389.05x = 173,036.89 × 71,675.22
  4. Step 4: Simplify right side
    125,389.05x = 12,402,457,158.87
  5. Step 5: Solve for x
    x = 12,402,457,158.87/125,389.05
  6. Step 6: Final answer
    x = 98,911.80

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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.