Home / 146,722.21-202,477.49-86,295.40

Finding the Fourth Proportional to 146,722.21, 202,477.49 and 86,295.40

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Solution

The fourth proportional to 146,722.21, 202,477.49 and 86,295.40 is: 119,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,722.21 : 202,477.49 = 86,295.40 : x
  2. Step 2: Convert to fraction form
    146,722.21/202,477.49 = 86,295.40/x
  3. Step 3: Cross multiply
    146,722.21x = 202,477.49 × 86,295.40
  4. Step 4: Simplify right side
    146,722.21x = 17,472,875,990.55
  5. Step 5: Solve for x
    x = 17,472,875,990.55/146,722.21
  6. Step 6: Final answer
    x = 119,088.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.