Home / 152,112.08-209,908.68-84,124.56

Finding the Fourth Proportional to 152,112.08, 209,908.68 and 84,124.56

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Solution

The fourth proportional to 152,112.08, 209,908.68 and 84,124.56 is: 116,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,112.08 : 209,908.68 = 84,124.56 : x
  2. Step 2: Convert to fraction form
    152,112.08/209,908.68 = 84,124.56/x
  3. Step 3: Cross multiply
    152,112.08x = 209,908.68 × 84,124.56
  4. Step 4: Simplify right side
    152,112.08x = 17,658,475,345.18
  5. Step 5: Solve for x
    x = 17,658,475,345.18/152,112.08
  6. Step 6: Final answer
    x = 116,088.58

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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.