Home / 98,010.40-147,015.60-58,547.20

Finding the Fourth Proportional to 98,010.40, 147,015.60 and 58,547.20

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Solution

The fourth proportional to 98,010.40, 147,015.60 and 58,547.20 is: 87,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010.40 : 147,015.60 = 58,547.20 : x
  2. Step 2: Convert to fraction form
    98,010.40/147,015.60 = 58,547.20/x
  3. Step 3: Cross multiply
    98,010.40x = 147,015.60 × 58,547.20
  4. Step 4: Simplify right side
    98,010.40x = 8,607,351,736.32
  5. Step 5: Solve for x
    x = 8,607,351,736.32/98,010.40
  6. Step 6: Final answer
    x = 87,820.80

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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.