Home / 112,838.68-169,259.70-42,699.16

Finding the Fourth Proportional to 112,838.68, 169,259.70 and 42,699.16

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Solution

The fourth proportional to 112,838.68, 169,259.70 and 42,699.16 is: 64,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,838.68 : 169,259.70 = 42,699.16 : x
  2. Step 2: Convert to fraction form
    112,838.68/169,259.70 = 42,699.16/x
  3. Step 3: Cross multiply
    112,838.68x = 169,259.70 × 42,699.16
  4. Step 4: Simplify right side
    112,838.68x = 7,227,247,011.85
  5. Step 5: Solve for x
    x = 7,227,247,011.85/112,838.68
  6. Step 6: Final answer
    x = 64,049.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.