Home / 112,026.39-154,547.84-66,678.95

Finding the Fourth Proportional to 112,026.39, 154,547.84 and 66,678.95

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Solution

The fourth proportional to 112,026.39, 154,547.84 and 66,678.95 is: 91,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.39 : 154,547.84 = 66,678.95 : x
  2. Step 2: Convert to fraction form
    112,026.39/154,547.84 = 66,678.95/x
  3. Step 3: Cross multiply
    112,026.39x = 154,547.84 × 66,678.95
  4. Step 4: Simplify right side
    112,026.39x = 10,305,087,089.93
  5. Step 5: Solve for x
    x = 10,305,087,089.93/112,026.39
  6. Step 6: Final answer
    x = 91,988.03

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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.