Home / 156,988.65-235,482.98-143,210.55

Finding the Fourth Proportional to 156,988.65, 235,482.98 and 143,210.55

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Solution

The fourth proportional to 156,988.65, 235,482.98 and 143,210.55 is: 214,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.65 : 235,482.98 = 143,210.55 : x
  2. Step 2: Convert to fraction form
    156,988.65/235,482.98 = 143,210.55/x
  3. Step 3: Cross multiply
    156,988.65x = 235,482.98 × 143,210.55
  4. Step 4: Simplify right side
    156,988.65x = 33,723,646,365.39
  5. Step 5: Solve for x
    x = 33,723,646,365.39/156,988.65
  6. Step 6: Final answer
    x = 214,815.83

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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.