Home / 130,663.02-180,392.26-82,306.40

Finding the Fourth Proportional to 130,663.02, 180,392.26 and 82,306.40

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Solution

The fourth proportional to 130,663.02, 180,392.26 and 82,306.40 is: 113,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,663.02 : 180,392.26 = 82,306.40 : x
  2. Step 2: Convert to fraction form
    130,663.02/180,392.26 = 82,306.40/x
  3. Step 3: Cross multiply
    130,663.02x = 180,392.26 × 82,306.40
  4. Step 4: Simplify right side
    130,663.02x = 14,847,437,508.46
  5. Step 5: Solve for x
    x = 14,847,437,508.46/130,663.02
  6. Step 6: Final answer
    x = 113,631.52

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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.