Home / 131,547.04-197,341.16-42,779.75

Finding the Fourth Proportional to 131,547.04, 197,341.16 and 42,779.75

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Solution

The fourth proportional to 131,547.04, 197,341.16 and 42,779.75 is: 64,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,547.04 : 197,341.16 = 42,779.75 : x
  2. Step 2: Convert to fraction form
    131,547.04/197,341.16 = 42,779.75/x
  3. Step 3: Cross multiply
    131,547.04x = 197,341.16 × 42,779.75
  4. Step 4: Simplify right side
    131,547.04x = 8,442,204,529.54
  5. Step 5: Solve for x
    x = 8,442,204,529.54/131,547.04
  6. Step 6: Final answer
    x = 64,176.32

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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.