Home / 152,071.45-209,840.28-84,079.24

Finding the Fourth Proportional to 152,071.45, 209,840.28 and 84,079.24

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Solution

The fourth proportional to 152,071.45, 209,840.28 and 84,079.24 is: 116,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,071.45 : 209,840.28 = 84,079.24 : x
  2. Step 2: Convert to fraction form
    152,071.45/209,840.28 = 84,079.24/x
  3. Step 3: Cross multiply
    152,071.45x = 209,840.28 × 84,079.24
  4. Step 4: Simplify right side
    152,071.45x = 17,643,211,263.79
  5. Step 5: Solve for x
    x = 17,643,211,263.79/152,071.45
  6. Step 6: Final answer
    x = 116,019.22

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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.