Home / 153,865.12-230,831.16-48,685

Finding the Fourth Proportional to 153,865.12, 230,831.16 and 48,685

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Solution

The fourth proportional to 153,865.12, 230,831.16 and 48,685 is: 73,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,865.12 : 230,831.16 = 48,685 : x
  2. Step 2: Convert to fraction form
    153,865.12/230,831.16 = 48,685/x
  3. Step 3: Cross multiply
    153,865.12x = 230,831.16 × 48,685
  4. Step 4: Simplify right side
    153,865.12x = 11,238,015,024.60
  5. Step 5: Solve for x
    x = 11,238,015,024.60/153,865.12
  6. Step 6: Final answer
    x = 73,038.09

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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.