Home / 136,075.60-204,113.40-98,459.20

Finding the Fourth Proportional to 136,075.60, 204,113.40 and 98,459.20

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Solution

The fourth proportional to 136,075.60, 204,113.40 and 98,459.20 is: 147,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,075.60 : 204,113.40 = 98,459.20 : x
  2. Step 2: Convert to fraction form
    136,075.60/204,113.40 = 98,459.20/x
  3. Step 3: Cross multiply
    136,075.60x = 204,113.40 × 98,459.20
  4. Step 4: Simplify right side
    136,075.60x = 20,096,842,073.28
  5. Step 5: Solve for x
    x = 20,096,842,073.28/136,075.60
  6. Step 6: Final answer
    x = 147,688.80

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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.