Home / 145,547.10-218,320.65-98,891.10

Finding the Fourth Proportional to 145,547.10, 218,320.65 and 98,891.10

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Solution

The fourth proportional to 145,547.10, 218,320.65 and 98,891.10 is: 148,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547.10 : 218,320.65 = 98,891.10 : x
  2. Step 2: Convert to fraction form
    145,547.10/218,320.65 = 98,891.10/x
  3. Step 3: Cross multiply
    145,547.10x = 218,320.65 × 98,891.10
  4. Step 4: Simplify right side
    145,547.10x = 21,589,969,231.22
  5. Step 5: Solve for x
    x = 21,589,969,231.22/145,547.10
  6. Step 6: Final answer
    x = 148,336.65

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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.