Home / 105,316.92-145,337.34-57,570.24

Finding the Fourth Proportional to 105,316.92, 145,337.34 and 57,570.24

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Solution

The fourth proportional to 105,316.92, 145,337.34 and 57,570.24 is: 79,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,316.92 : 145,337.34 = 57,570.24 : x
  2. Step 2: Convert to fraction form
    105,316.92/145,337.34 = 57,570.24/x
  3. Step 3: Cross multiply
    105,316.92x = 145,337.34 × 57,570.24
  4. Step 4: Simplify right side
    105,316.92x = 8,367,105,544.76
  5. Step 5: Solve for x
    x = 8,367,105,544.76/105,316.92
  6. Step 6: Final answer
    x = 79,446.93

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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.