Home / 137,279.18-189,407.76-94,271.60

Finding the Fourth Proportional to 137,279.18, 189,407.76 and 94,271.60

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Solution

The fourth proportional to 137,279.18, 189,407.76 and 94,271.60 is: 130,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,279.18 : 189,407.76 = 94,271.60 : x
  2. Step 2: Convert to fraction form
    137,279.18/189,407.76 = 94,271.60/x
  3. Step 3: Cross multiply
    137,279.18x = 189,407.76 × 94,271.60
  4. Step 4: Simplify right side
    137,279.18x = 17,855,772,587.62
  5. Step 5: Solve for x
    x = 17,855,772,587.62/137,279.18
  6. Step 6: Final answer
    x = 130,069.05

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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.