Home / 130,673.27-180,384.17-88,289.21

Finding the Fourth Proportional to 130,673.27, 180,384.17 and 88,289.21

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Solution

The fourth proportional to 130,673.27, 180,384.17 and 88,289.21 is: 121,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,673.27 : 180,384.17 = 88,289.21 : x
  2. Step 2: Convert to fraction form
    130,673.27/180,384.17 = 88,289.21/x
  3. Step 3: Cross multiply
    130,673.27x = 180,384.17 × 88,289.21
  4. Step 4: Simplify right side
    130,673.27x = 15,925,975,875.32
  5. Step 5: Solve for x
    x = 15,925,975,875.32/130,673.27
  6. Step 6: Final answer
    x = 121,876.31

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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.