Home / 137,278.68-189,407.07-94,271.10

Finding the Fourth Proportional to 137,278.68, 189,407.07 and 94,271.10

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Solution

The fourth proportional to 137,278.68, 189,407.07 and 94,271.10 is: 130,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,278.68 : 189,407.07 = 94,271.10 : x
  2. Step 2: Convert to fraction form
    137,278.68/189,407.07 = 94,271.10/x
  3. Step 3: Cross multiply
    137,278.68x = 189,407.07 × 94,271.10
  4. Step 4: Simplify right side
    137,278.68x = 17,855,612,836.68
  5. Step 5: Solve for x
    x = 17,855,612,836.68/137,278.68
  6. Step 6: Final answer
    x = 130,068.36

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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.