Home / 152,263.50-210,123.63-85,208.46

Finding the Fourth Proportional to 152,263.50, 210,123.63 and 85,208.46

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Solution

The fourth proportional to 152,263.50, 210,123.63 and 85,208.46 is: 117,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,263.50 : 210,123.63 = 85,208.46 : x
  2. Step 2: Convert to fraction form
    152,263.50/210,123.63 = 85,208.46/x
  3. Step 3: Cross multiply
    152,263.50x = 210,123.63 × 85,208.46
  4. Step 4: Simplify right side
    152,263.50x = 17,904,310,921.91
  5. Step 5: Solve for x
    x = 17,904,310,921.91/152,263.50
  6. Step 6: Final answer
    x = 117,587.67

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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.