Home / 134,209.61-185,214.03-76,859.18

Finding the Fourth Proportional to 134,209.61, 185,214.03 and 76,859.18

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Solution

The fourth proportional to 134,209.61, 185,214.03 and 76,859.18 is: 106,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,209.61 : 185,214.03 = 76,859.18 : x
  2. Step 2: Convert to fraction form
    134,209.61/185,214.03 = 76,859.18/x
  3. Step 3: Cross multiply
    134,209.61x = 185,214.03 × 76,859.18
  4. Step 4: Simplify right side
    134,209.61x = 14,235,398,382.89
  5. Step 5: Solve for x
    x = 14,235,398,382.89/134,209.61
  6. Step 6: Final answer
    x = 106,068.40

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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.