Home / 140,407.68-210,622.40-46,913.76

Finding the Fourth Proportional to 140,407.68, 210,622.40 and 46,913.76

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Solution

The fourth proportional to 140,407.68, 210,622.40 and 46,913.76 is: 70,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,407.68 : 210,622.40 = 46,913.76 : x
  2. Step 2: Convert to fraction form
    140,407.68/210,622.40 = 46,913.76/x
  3. Step 3: Cross multiply
    140,407.68x = 210,622.40 × 46,913.76
  4. Step 4: Simplify right side
    140,407.68x = 9,881,088,724.22
  5. Step 5: Solve for x
    x = 9,881,088,724.22/140,407.68
  6. Step 6: Final answer
    x = 70,374.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.