Home / 152,529.03-210,487.51-83,618.03

Finding the Fourth Proportional to 152,529.03, 210,487.51 and 83,618.03

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Solution

The fourth proportional to 152,529.03, 210,487.51 and 83,618.03 is: 115,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,529.03 : 210,487.51 = 83,618.03 : x
  2. Step 2: Convert to fraction form
    152,529.03/210,487.51 = 83,618.03/x
  3. Step 3: Cross multiply
    152,529.03x = 210,487.51 × 83,618.03
  4. Step 4: Simplify right side
    152,529.03x = 17,600,551,242.98
  5. Step 5: Solve for x
    x = 17,600,551,242.98/152,529.03
  6. Step 6: Final answer
    x = 115,391.48

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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.