Home / 136,071.60-204,107.40-98,455.20

Finding the Fourth Proportional to 136,071.60, 204,107.40 and 98,455.20

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Solution

The fourth proportional to 136,071.60, 204,107.40 and 98,455.20 is: 147,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,071.60 : 204,107.40 = 98,455.20 : x
  2. Step 2: Convert to fraction form
    136,071.60/204,107.40 = 98,455.20/x
  3. Step 3: Cross multiply
    136,071.60x = 204,107.40 × 98,455.20
  4. Step 4: Simplify right side
    136,071.60x = 20,095,434,888.48
  5. Step 5: Solve for x
    x = 20,095,434,888.48/136,071.60
  6. Step 6: Final answer
    x = 147,682.80

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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.