Home / 260,106.60-390,159.90-127,246.35

Finding the Fourth Proportional to 260,106.60, 390,159.90 and 127,246.35

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Solution

The fourth proportional to 260,106.60, 390,159.90 and 127,246.35 is: 190,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,106.60 : 390,159.90 = 127,246.35 : x
  2. Step 2: Convert to fraction form
    260,106.60/390,159.90 = 127,246.35/x
  3. Step 3: Cross multiply
    260,106.60x = 390,159.90 × 127,246.35
  4. Step 4: Simplify right side
    260,106.60x = 49,646,423,191.37
  5. Step 5: Solve for x
    x = 49,646,423,191.37/260,106.60
  6. Step 6: Final answer
    x = 190,869.53

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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.