Home / 152,656.40-210,658.38-84,667.35

Finding the Fourth Proportional to 152,656.40, 210,658.38 and 84,667.35

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Solution

The fourth proportional to 152,656.40, 210,658.38 and 84,667.35 is: 116,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,656.40 : 210,658.38 = 84,667.35 : x
  2. Step 2: Convert to fraction form
    152,656.40/210,658.38 = 84,667.35/x
  3. Step 3: Cross multiply
    152,656.40x = 210,658.38 × 84,667.35
  4. Step 4: Simplify right side
    152,656.40x = 17,835,886,789.89
  5. Step 5: Solve for x
    x = 17,835,886,789.89/152,656.40
  6. Step 6: Final answer
    x = 116,836.81

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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.