Home / 243,695.16-336,330.65-136,271.13

Finding the Fourth Proportional to 243,695.16, 336,330.65 and 136,271.13

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Solution

The fourth proportional to 243,695.16, 336,330.65 and 136,271.13 is: 188,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,695.16 : 336,330.65 = 136,271.13 : x
  2. Step 2: Convert to fraction form
    243,695.16/336,330.65 = 136,271.13/x
  3. Step 3: Cross multiply
    243,695.16x = 336,330.65 × 136,271.13
  4. Step 4: Simplify right side
    243,695.16x = 45,832,157,729.13
  5. Step 5: Solve for x
    x = 45,832,157,729.13/243,695.16
  6. Step 6: Final answer
    x = 188,071.68

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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.