Home / 152,403.68-210,312.32-84,417.92

Finding the Fourth Proportional to 152,403.68, 210,312.32 and 84,417.92

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Solution

The fourth proportional to 152,403.68, 210,312.32 and 84,417.92 is: 116,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,403.68 : 210,312.32 = 84,417.92 : x
  2. Step 2: Convert to fraction form
    152,403.68/210,312.32 = 84,417.92/x
  3. Step 3: Cross multiply
    152,403.68x = 210,312.32 × 84,417.92
  4. Step 4: Simplify right side
    152,403.68x = 17,754,128,604.77
  5. Step 5: Solve for x
    x = 17,754,128,604.77/152,403.68
  6. Step 6: Final answer
    x = 116,494.09

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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.