Home / 134,897.10-202,345.65-108,653.10

Finding the Fourth Proportional to 134,897.10, 202,345.65 and 108,653.10

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Solution

The fourth proportional to 134,897.10, 202,345.65 and 108,653.10 is: 162,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.10 : 202,345.65 = 108,653.10 : x
  2. Step 2: Convert to fraction form
    134,897.10/202,345.65 = 108,653.10/x
  3. Step 3: Cross multiply
    134,897.10x = 202,345.65 × 108,653.10
  4. Step 4: Simplify right side
    134,897.10x = 21,985,482,144.02
  5. Step 5: Solve for x
    x = 21,985,482,144.02/134,897.10
  6. Step 6: Final answer
    x = 162,979.65

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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.