Home / 178,199.76-245,779.20-130,435.68

Finding the Fourth Proportional to 178,199.76, 245,779.20 and 130,435.68

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Solution

The fourth proportional to 178,199.76, 245,779.20 and 130,435.68 is: 179,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,199.76 : 245,779.20 = 130,435.68 : x
  2. Step 2: Convert to fraction form
    178,199.76/245,779.20 = 130,435.68/x
  3. Step 3: Cross multiply
    178,199.76x = 245,779.20 × 130,435.68
  4. Step 4: Simplify right side
    178,199.76x = 32,058,377,081.86
  5. Step 5: Solve for x
    x = 32,058,377,081.86/178,199.76
  6. Step 6: Final answer
    x = 179,901.35

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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.