Home / 160,015.40-239,953.98-66,457.16

Finding the Fourth Proportional to 160,015.40, 239,953.98 and 66,457.16

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Solution

The fourth proportional to 160,015.40, 239,953.98 and 66,457.16 is: 99,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,015.40 : 239,953.98 = 66,457.16 : x
  2. Step 2: Convert to fraction form
    160,015.40/239,953.98 = 66,457.16/x
  3. Step 3: Cross multiply
    160,015.40x = 239,953.98 × 66,457.16
  4. Step 4: Simplify right side
    160,015.40x = 15,946,660,041.50
  5. Step 5: Solve for x
    x = 15,946,660,041.50/160,015.40
  6. Step 6: Final answer
    x = 99,657.03

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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.