Home / 86,267.40-119,113.90-84,889.58

Finding the Fourth Proportional to 86,267.40, 119,113.90 and 84,889.58

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Solution

The fourth proportional to 86,267.40, 119,113.90 and 84,889.58 is: 117,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,267.40 : 119,113.90 = 84,889.58 : x
  2. Step 2: Convert to fraction form
    86,267.40/119,113.90 = 84,889.58/x
  3. Step 3: Cross multiply
    86,267.40x = 119,113.90 × 84,889.58
  4. Step 4: Simplify right side
    86,267.40x = 10,111,528,943.16
  5. Step 5: Solve for x
    x = 10,111,528,943.16/86,267.40
  6. Step 6: Final answer
    x = 117,211.47

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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.