Home / 152,455.47-210,385.74-84,472.19

Finding the Fourth Proportional to 152,455.47, 210,385.74 and 84,472.19

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Solution

The fourth proportional to 152,455.47, 210,385.74 and 84,472.19 is: 116,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,455.47 : 210,385.74 = 84,472.19 : x
  2. Step 2: Convert to fraction form
    152,455.47/210,385.74 = 84,472.19/x
  3. Step 3: Cross multiply
    152,455.47x = 210,385.74 × 84,472.19
  4. Step 4: Simplify right side
    152,455.47x = 17,771,744,202.57
  5. Step 5: Solve for x
    x = 17,771,744,202.57/152,455.47
  6. Step 6: Final answer
    x = 116,570.07

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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.