Home / 152,938.05-211,061.70-84,955.16

Finding the Fourth Proportional to 152,938.05, 211,061.70 and 84,955.16

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Solution

The fourth proportional to 152,938.05, 211,061.70 and 84,955.16 is: 117,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,938.05 : 211,061.70 = 84,955.16 : x
  2. Step 2: Convert to fraction form
    152,938.05/211,061.70 = 84,955.16/x
  3. Step 3: Cross multiply
    152,938.05x = 211,061.70 × 84,955.16
  4. Step 4: Simplify right side
    152,938.05x = 17,930,779,438.06
  5. Step 5: Solve for x
    x = 17,930,779,438.06/152,938.05
  6. Step 6: Final answer
    x = 117,242.11

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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.