Home / 158,507.20-218,762.24-98,097.28

Finding the Fourth Proportional to 158,507.20, 218,762.24 and 98,097.28

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Solution

The fourth proportional to 158,507.20, 218,762.24 and 98,097.28 is: 135,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,507.20 : 218,762.24 = 98,097.28 : x
  2. Step 2: Convert to fraction form
    158,507.20/218,762.24 = 98,097.28/x
  3. Step 3: Cross multiply
    158,507.20x = 218,762.24 × 98,097.28
  4. Step 4: Simplify right side
    158,507.20x = 21,459,980,710.71
  5. Step 5: Solve for x
    x = 21,459,980,710.71/158,507.20
  6. Step 6: Final answer
    x = 135,388.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.