Home / 101,088.02-138,490.40-97,302.69

Finding the Fourth Proportional to 101,088.02, 138,490.40 and 97,302.69

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Solution

The fourth proportional to 101,088.02, 138,490.40 and 97,302.69 is: 133,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,088.02 : 138,490.40 = 97,302.69 : x
  2. Step 2: Convert to fraction form
    101,088.02/138,490.40 = 97,302.69/x
  3. Step 3: Cross multiply
    101,088.02x = 138,490.40 × 97,302.69
  4. Step 4: Simplify right side
    101,088.02x = 13,475,488,702.43
  5. Step 5: Solve for x
    x = 13,475,488,702.43/101,088.02
  6. Step 6: Final answer
    x = 133,304.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.