Home / 102,347.39-153,544.46-31,280.15

Finding the Fourth Proportional to 102,347.39, 153,544.46 and 31,280.15

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Solution

The fourth proportional to 102,347.39, 153,544.46 and 31,280.15 is: 46,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,347.39 : 153,544.46 = 31,280.15 : x
  2. Step 2: Convert to fraction form
    102,347.39/153,544.46 = 31,280.15/x
  3. Step 3: Cross multiply
    102,347.39x = 153,544.46 × 31,280.15
  4. Step 4: Simplify right side
    102,347.39x = 4,802,892,816.35
  5. Step 5: Solve for x
    x = 4,802,892,816.35/102,347.39
  6. Step 6: Final answer
    x = 46,927.36

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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.