Home / 111,506.18-153,799.02-102,337.26

Finding the Fourth Proportional to 111,506.18, 153,799.02 and 102,337.26

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Solution

The fourth proportional to 111,506.18, 153,799.02 and 102,337.26 is: 141,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,506.18 : 153,799.02 = 102,337.26 : x
  2. Step 2: Convert to fraction form
    111,506.18/153,799.02 = 102,337.26/x
  3. Step 3: Cross multiply
    111,506.18x = 153,799.02 × 102,337.26
  4. Step 4: Simplify right side
    111,506.18x = 15,739,370,297.49
  5. Step 5: Solve for x
    x = 15,739,370,297.49/111,506.18
  6. Step 6: Final answer
    x = 141,152.45

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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.