Home / 130,988.17-196,317.95-56,020.31

Finding the Fourth Proportional to 130,988.17, 196,317.95 and 56,020.31

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Solution

The fourth proportional to 130,988.17, 196,317.95 and 56,020.31 is: 83,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,988.17 : 196,317.95 = 56,020.31 : x
  2. Step 2: Convert to fraction form
    130,988.17/196,317.95 = 56,020.31/x
  3. Step 3: Cross multiply
    130,988.17x = 196,317.95 × 56,020.31
  4. Step 4: Simplify right side
    130,988.17x = 10,997,791,435.97
  5. Step 5: Solve for x
    x = 10,997,791,435.97/130,988.17
  6. Step 6: Final answer
    x = 83,960.19

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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.