Home / 140,210.90-210,316.35-108,718.10

Finding the Fourth Proportional to 140,210.90, 210,316.35 and 108,718.10

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Solution

The fourth proportional to 140,210.90, 210,316.35 and 108,718.10 is: 163,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.90 : 210,316.35 = 108,718.10 : x
  2. Step 2: Convert to fraction form
    140,210.90/210,316.35 = 108,718.10/x
  3. Step 3: Cross multiply
    140,210.90x = 210,316.35 × 108,718.10
  4. Step 4: Simplify right side
    140,210.90x = 22,865,193,970.94
  5. Step 5: Solve for x
    x = 22,865,193,970.94/140,210.90
  6. Step 6: Final answer
    x = 163,077.15

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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.