Home / 215,943.95-298,000.67-119,148.69

Finding the Fourth Proportional to 215,943.95, 298,000.67 and 119,148.69

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Solution

The fourth proportional to 215,943.95, 298,000.67 and 119,148.69 is: 164,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,943.95 : 298,000.67 = 119,148.69 : x
  2. Step 2: Convert to fraction form
    215,943.95/298,000.67 = 119,148.69/x
  3. Step 3: Cross multiply
    215,943.95x = 298,000.67 × 119,148.69
  4. Step 4: Simplify right side
    215,943.95x = 35,506,388,853.88
  5. Step 5: Solve for x
    x = 35,506,388,853.88/215,943.95
  6. Step 6: Final answer
    x = 164,424.10

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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.