Home / 156,988.40-235,482.60-143,210.30

Finding the Fourth Proportional to 156,988.40, 235,482.60 and 143,210.30

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Solution

The fourth proportional to 156,988.40, 235,482.60 and 143,210.30 is: 214,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.40 : 235,482.60 = 143,210.30 : x
  2. Step 2: Convert to fraction form
    156,988.40/235,482.60 = 143,210.30/x
  3. Step 3: Cross multiply
    156,988.40x = 235,482.60 × 143,210.30
  4. Step 4: Simplify right side
    156,988.40x = 33,723,533,790.78
  5. Step 5: Solve for x
    x = 33,723,533,790.78/156,988.40
  6. Step 6: Final answer
    x = 214,815.45

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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.