Home / 117,124.08-175,465.68-57,890.40

Finding the Fourth Proportional to 117,124.08, 175,465.68 and 57,890.40

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Solution

The fourth proportional to 117,124.08, 175,465.68 and 57,890.40 is: 86,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,124.08 : 175,465.68 = 57,890.40 : x
  2. Step 2: Convert to fraction form
    117,124.08/175,465.68 = 57,890.40/x
  3. Step 3: Cross multiply
    117,124.08x = 175,465.68 × 57,890.40
  4. Step 4: Simplify right side
    117,124.08x = 10,157,778,401.47
  5. Step 5: Solve for x
    x = 10,157,778,401.47/117,124.08
  6. Step 6: Final answer
    x = 86,726.64

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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.