Home / 139,160.07-208,342.80-130,332.15

Finding the Fourth Proportional to 139,160.07, 208,342.80 and 130,332.15

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Solution

The fourth proportional to 139,160.07, 208,342.80 and 130,332.15 is: 195,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,160.07 : 208,342.80 = 130,332.15 : x
  2. Step 2: Convert to fraction form
    139,160.07/208,342.80 = 130,332.15/x
  3. Step 3: Cross multiply
    139,160.07x = 208,342.80 × 130,332.15
  4. Step 4: Simplify right side
    139,160.07x = 27,153,765,061.02
  5. Step 5: Solve for x
    x = 27,153,765,061.02/139,160.07
  6. Step 6: Final answer
    x = 195,126.12

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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.