Home / 158,204.79-218,095.55-112,804.08

Finding the Fourth Proportional to 158,204.79, 218,095.55 and 112,804.08

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Solution

The fourth proportional to 158,204.79, 218,095.55 and 112,804.08 is: 155,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,204.79 : 218,095.55 = 112,804.08 : x
  2. Step 2: Convert to fraction form
    158,204.79/218,095.55 = 112,804.08/x
  3. Step 3: Cross multiply
    158,204.79x = 218,095.55 × 112,804.08
  4. Step 4: Simplify right side
    158,204.79x = 24,602,067,305.82
  5. Step 5: Solve for x
    x = 24,602,067,305.82/158,204.79
  6. Step 6: Final answer
    x = 155,507.73

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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.