Home / 238,678.41-357,967.20-70,152.90

Finding the Fourth Proportional to 238,678.41, 357,967.20 and 70,152.90

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Solution

The fourth proportional to 238,678.41, 357,967.20 and 70,152.90 is: 105,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,678.41 : 357,967.20 = 70,152.90 : x
  2. Step 2: Convert to fraction form
    238,678.41/357,967.20 = 70,152.90/x
  3. Step 3: Cross multiply
    238,678.41x = 357,967.20 × 70,152.90
  4. Step 4: Simplify right side
    238,678.41x = 25,112,437,724.53
  5. Step 5: Solve for x
    x = 25,112,437,724.53/238,678.41
  6. Step 6: Final answer
    x = 105,214.53

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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.