Home / 158,822.04-219,174.80-87,206.69

Finding the Fourth Proportional to 158,822.04, 219,174.80 and 87,206.69

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Solution

The fourth proportional to 158,822.04, 219,174.80 and 87,206.69 is: 120,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,822.04 : 219,174.80 = 87,206.69 : x
  2. Step 2: Convert to fraction form
    158,822.04/219,174.80 = 87,206.69/x
  3. Step 3: Cross multiply
    158,822.04x = 219,174.80 × 87,206.69
  4. Step 4: Simplify right side
    158,822.04x = 19,113,507,307.50
  5. Step 5: Solve for x
    x = 19,113,507,307.50/158,822.04
  6. Step 6: Final answer
    x = 120,345.43

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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.