Home / 136,533.67-204,840.83-70,020.40

Finding the Fourth Proportional to 136,533.67, 204,840.83 and 70,020.40

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Solution

The fourth proportional to 136,533.67, 204,840.83 and 70,020.40 is: 105,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,533.67 : 204,840.83 = 70,020.40 : x
  2. Step 2: Convert to fraction form
    136,533.67/204,840.83 = 70,020.40/x
  3. Step 3: Cross multiply
    136,533.67x = 204,840.83 × 70,020.40
  4. Step 4: Simplify right side
    136,533.67x = 14,343,036,852.93
  5. Step 5: Solve for x
    x = 14,343,036,852.93/136,533.67
  6. Step 6: Final answer
    x = 105,051.28

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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.