Home / 152,819.58-210,903.51-84,840.70

Finding the Fourth Proportional to 152,819.58, 210,903.51 and 84,840.70

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Solution

The fourth proportional to 152,819.58, 210,903.51 and 84,840.70 is: 117,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,819.58 : 210,903.51 = 84,840.70 : x
  2. Step 2: Convert to fraction form
    152,819.58/210,903.51 = 84,840.70/x
  3. Step 3: Cross multiply
    152,819.58x = 210,903.51 × 84,840.70
  4. Step 4: Simplify right side
    152,819.58x = 17,893,201,420.86
  5. Step 5: Solve for x
    x = 17,893,201,420.86/152,819.58
  6. Step 6: Final answer
    x = 117,087.10

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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.