Home / 420,365.48-630,648.27-136,056.06

Finding the Fourth Proportional to 420,365.48, 630,648.27 and 136,056.06

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Solution

The fourth proportional to 420,365.48, 630,648.27 and 136,056.06 is: 204,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,365.48 : 630,648.27 = 136,056.06 : x
  2. Step 2: Convert to fraction form
    420,365.48/630,648.27 = 136,056.06/x
  3. Step 3: Cross multiply
    420,365.48x = 630,648.27 × 136,056.06
  4. Step 4: Simplify right side
    420,365.48x = 85,803,518,862.02
  5. Step 5: Solve for x
    x = 85,803,518,862.02/420,365.48
  6. Step 6: Final answer
    x = 204,116.47

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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.