Home / 152,881.12-210,968.82-84,902.40

Finding the Fourth Proportional to 152,881.12, 210,968.82 and 84,902.40

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Solution

The fourth proportional to 152,881.12, 210,968.82 and 84,902.40 is: 117,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,881.12 : 210,968.82 = 84,902.40 : x
  2. Step 2: Convert to fraction form
    152,881.12/210,968.82 = 84,902.40/x
  3. Step 3: Cross multiply
    152,881.12x = 210,968.82 × 84,902.40
  4. Step 4: Simplify right side
    152,881.12x = 17,911,759,143.17
  5. Step 5: Solve for x
    x = 17,911,759,143.17/152,881.12
  6. Step 6: Final answer
    x = 117,161.35

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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.