Home / 142,720.20-214,063.38-37,547.40

Finding the Fourth Proportional to 142,720.20, 214,063.38 and 37,547.40

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Solution

The fourth proportional to 142,720.20, 214,063.38 and 37,547.40 is: 56,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,720.20 : 214,063.38 = 37,547.40 : x
  2. Step 2: Convert to fraction form
    142,720.20/214,063.38 = 37,547.40/x
  3. Step 3: Cross multiply
    142,720.20x = 214,063.38 × 37,547.40
  4. Step 4: Simplify right side
    142,720.20x = 8,037,523,354.21
  5. Step 5: Solve for x
    x = 8,037,523,354.21/142,720.20
  6. Step 6: Final answer
    x = 56,316.65

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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.