Home / 261,465.35-392,152.86-69,341.12

Finding the Fourth Proportional to 261,465.35, 392,152.86 and 69,341.12

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Solution

The fourth proportional to 261,465.35, 392,152.86 and 69,341.12 is: 103,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,465.35 : 392,152.86 = 69,341.12 : x
  2. Step 2: Convert to fraction form
    261,465.35/392,152.86 = 69,341.12/x
  3. Step 3: Cross multiply
    261,465.35x = 392,152.86 × 69,341.12
  4. Step 4: Simplify right side
    261,465.35x = 27,192,318,523.60
  5. Step 5: Solve for x
    x = 27,192,318,523.60/261,465.35
  6. Step 6: Final answer
    x = 103,999.70

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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.