Home / 152,488.13-210,427.55-84,508.01

Finding the Fourth Proportional to 152,488.13, 210,427.55 and 84,508.01

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Solution

The fourth proportional to 152,488.13, 210,427.55 and 84,508.01 is: 116,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,488.13 : 210,427.55 = 84,508.01 : x
  2. Step 2: Convert to fraction form
    152,488.13/210,427.55 = 84,508.01/x
  3. Step 3: Cross multiply
    152,488.13x = 210,427.55 × 84,508.01
  4. Step 4: Simplify right side
    152,488.13x = 17,782,813,077.14
  5. Step 5: Solve for x
    x = 17,782,813,077.14/152,488.13
  6. Step 6: Final answer
    x = 116,617.69

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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.