Home / 152,225.71-210,071.88-84,247.36

Finding the Fourth Proportional to 152,225.71, 210,071.88 and 84,247.36

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Solution

The fourth proportional to 152,225.71, 210,071.88 and 84,247.36 is: 116,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,225.71 : 210,071.88 = 84,247.36 : x
  2. Step 2: Convert to fraction form
    152,225.71/210,071.88 = 84,247.36/x
  3. Step 3: Cross multiply
    152,225.71x = 210,071.88 × 84,247.36
  4. Step 4: Simplify right side
    152,225.71x = 17,698,000,775.06
  5. Step 5: Solve for x
    x = 17,698,000,775.06/152,225.71
  6. Step 6: Final answer
    x = 116,261.58

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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.