Home / 155,945.34-215,237.92-98,548.13

Finding the Fourth Proportional to 155,945.34, 215,237.92 and 98,548.13

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Solution

The fourth proportional to 155,945.34, 215,237.92 and 98,548.13 is: 136,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,945.34 : 215,237.92 = 98,548.13 : x
  2. Step 2: Convert to fraction form
    155,945.34/215,237.92 = 98,548.13/x
  3. Step 3: Cross multiply
    155,945.34x = 215,237.92 × 98,548.13
  4. Step 4: Simplify right side
    155,945.34x = 21,211,294,521.09
  5. Step 5: Solve for x
    x = 21,211,294,521.09/155,945.34
  6. Step 6: Final answer
    x = 136,017.50

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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.