Home / 152,825.91-210,889.17-84,837.51

Finding the Fourth Proportional to 152,825.91, 210,889.17 and 84,837.51

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Solution

The fourth proportional to 152,825.91, 210,889.17 and 84,837.51 is: 117,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,825.91 : 210,889.17 = 84,837.51 : x
  2. Step 2: Convert to fraction form
    152,825.91/210,889.17 = 84,837.51/x
  3. Step 3: Cross multiply
    152,825.91x = 210,889.17 × 84,837.51
  4. Step 4: Simplify right side
    152,825.91x = 17,891,312,068.77
  5. Step 5: Solve for x
    x = 17,891,312,068.77/152,825.91
  6. Step 6: Final answer
    x = 117,069.89

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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.