Home / 127,547.60-191,341.65-43,315.70

Finding the Fourth Proportional to 127,547.60, 191,341.65 and 43,315.70

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Solution

The fourth proportional to 127,547.60, 191,341.65 and 43,315.70 is: 64,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,547.60 : 191,341.65 = 43,315.70 : x
  2. Step 2: Convert to fraction form
    127,547.60/191,341.65 = 43,315.70/x
  3. Step 3: Cross multiply
    127,547.60x = 191,341.65 × 43,315.70
  4. Step 4: Simplify right side
    127,547.60x = 8,288,097,508.91
  5. Step 5: Solve for x
    x = 8,288,097,508.91/127,547.60
  6. Step 6: Final answer
    x = 64,980.43

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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.