Home / 152,220.39-210,058.95-84,240.21

Finding the Fourth Proportional to 152,220.39, 210,058.95 and 84,240.21

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Solution

The fourth proportional to 152,220.39, 210,058.95 and 84,240.21 is: 116,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,220.39 : 210,058.95 = 84,240.21 : x
  2. Step 2: Convert to fraction form
    152,220.39/210,058.95 = 84,240.21/x
  3. Step 3: Cross multiply
    152,220.39x = 210,058.95 × 84,240.21
  4. Step 4: Simplify right side
    152,220.39x = 17,695,410,060.38
  5. Step 5: Solve for x
    x = 17,695,410,060.38/152,220.39
  6. Step 6: Final answer
    x = 116,248.62

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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.