Home / 74,153.91-102,350.70-42,341.25

Finding the Fourth Proportional to 74,153.91, 102,350.70 and 42,341.25

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Solution

The fourth proportional to 74,153.91, 102,350.70 and 42,341.25 is: 58,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153.91 : 102,350.70 = 42,341.25 : x
  2. Step 2: Convert to fraction form
    74,153.91/102,350.70 = 42,341.25/x
  3. Step 3: Cross multiply
    74,153.91x = 102,350.70 × 42,341.25
  4. Step 4: Simplify right side
    74,153.91x = 4,333,656,364.67
  5. Step 5: Solve for x
    x = 4,333,656,364.67/74,153.91
  6. Step 6: Final answer
    x = 58,441.37

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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.