Home / 158,946.40-238,225.20-70,105.60

Finding the Fourth Proportional to 158,946.40, 238,225.20 and 70,105.60

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Solution

The fourth proportional to 158,946.40, 238,225.20 and 70,105.60 is: 105,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,946.40 : 238,225.20 = 70,105.60 : x
  2. Step 2: Convert to fraction form
    158,946.40/238,225.20 = 70,105.60/x
  3. Step 3: Cross multiply
    158,946.40x = 238,225.20 × 70,105.60
  4. Step 4: Simplify right side
    158,946.40x = 16,700,920,581.12
  5. Step 5: Solve for x
    x = 16,700,920,581.12/158,946.40
  6. Step 6: Final answer
    x = 105,072.66

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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.