Home / 152,885.08-210,972-84,897.91

Finding the Fourth Proportional to 152,885.08, 210,972 and 84,897.91

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Solution

The fourth proportional to 152,885.08, 210,972 and 84,897.91 is: 117,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,885.08 : 210,972 = 84,897.91 : x
  2. Step 2: Convert to fraction form
    152,885.08/210,972 = 84,897.91/x
  3. Step 3: Cross multiply
    152,885.08x = 210,972 × 84,897.91
  4. Step 4: Simplify right side
    152,885.08x = 17,911,081,868.52
  5. Step 5: Solve for x
    x = 17,911,081,868.52/152,885.08
  6. Step 6: Final answer
    x = 117,153.89

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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.