Home / 120,095.04-180,151.92-70,180.32

Finding the Fourth Proportional to 120,095.04, 180,151.92 and 70,180.32

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Solution

The fourth proportional to 120,095.04, 180,151.92 and 70,180.32 is: 105,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,095.04 : 180,151.92 = 70,180.32 : x
  2. Step 2: Convert to fraction form
    120,095.04/180,151.92 = 70,180.32/x
  3. Step 3: Cross multiply
    120,095.04x = 180,151.92 × 70,180.32
  4. Step 4: Simplify right side
    120,095.04x = 12,643,119,394.21
  5. Step 5: Solve for x
    x = 12,643,119,394.21/120,095.04
  6. Step 6: Final answer
    x = 105,275.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.