Home / 130,594.77-180,256.25-76,897.17

Finding the Fourth Proportional to 130,594.77, 180,256.25 and 76,897.17

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Solution

The fourth proportional to 130,594.77, 180,256.25 and 76,897.17 is: 106,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,594.77 : 180,256.25 = 76,897.17 : x
  2. Step 2: Convert to fraction form
    130,594.77/180,256.25 = 76,897.17/x
  3. Step 3: Cross multiply
    130,594.77x = 180,256.25 × 76,897.17
  4. Step 4: Simplify right side
    130,594.77x = 13,861,195,499.81
  5. Step 5: Solve for x
    x = 13,861,195,499.81/130,594.77
  6. Step 6: Final answer
    x = 106,138.98

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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.