Home / 77,258.90-115,888.35-60,346.10

Finding the Fourth Proportional to 77,258.90, 115,888.35 and 60,346.10

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Solution

The fourth proportional to 77,258.90, 115,888.35 and 60,346.10 is: 90,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,258.90 : 115,888.35 = 60,346.10 : x
  2. Step 2: Convert to fraction form
    77,258.90/115,888.35 = 60,346.10/x
  3. Step 3: Cross multiply
    77,258.90x = 115,888.35 × 60,346.10
  4. Step 4: Simplify right side
    77,258.90x = 6,993,409,957.94
  5. Step 5: Solve for x
    x = 6,993,409,957.94/77,258.90
  6. Step 6: Final answer
    x = 90,519.15

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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.