Home / 128,324-192,482.76-34,827.32

Finding the Fourth Proportional to 128,324, 192,482.76 and 34,827.32

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Solution

The fourth proportional to 128,324, 192,482.76 and 34,827.32 is: 52,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,324 : 192,482.76 = 34,827.32 : x
  2. Step 2: Convert to fraction form
    128,324/192,482.76 = 34,827.32/x
  3. Step 3: Cross multiply
    128,324x = 192,482.76 × 34,827.32
  4. Step 4: Simplify right side
    128,324x = 6,703,658,677.00
  5. Step 5: Solve for x
    x = 6,703,658,677.00/128,324
  6. Step 6: Final answer
    x = 52,240.10

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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.