Home / 223,686.12-335,602.98-90,678.24

Finding the Fourth Proportional to 223,686.12, 335,602.98 and 90,678.24

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Solution

The fourth proportional to 223,686.12, 335,602.98 and 90,678.24 is: 136,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,686.12 : 335,602.98 = 90,678.24 : x
  2. Step 2: Convert to fraction form
    223,686.12/335,602.98 = 90,678.24/x
  3. Step 3: Cross multiply
    223,686.12x = 335,602.98 × 90,678.24
  4. Step 4: Simplify right side
    223,686.12x = 30,431,887,565.16
  5. Step 5: Solve for x
    x = 30,431,887,565.16/223,686.12
  6. Step 6: Final answer
    x = 136,047.28

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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.